31045332 has 24 divisors (see below), whose sum is σ = 76700736. Its totient is φ = 9739648.

The previous prime is 31045319. The next prime is 31045351. The reversal of 31045332 is 23354013.

It is a junction number, because it is equal to n+sod(n) for n = 31045299 and 31045308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75888 + ... + 76295.

It is an arithmetic number, because the mean of its divisors is an integer number (3195864).

Almost surely, 2^31045332 is an apocalyptic number.

It is an amenable number.

31045332 is an abundant number, since it is smaller than the sum of its proper divisors (45655404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31045332 is a wasteful number, since it uses less digits than its factorization.

31045332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152207 (or 152205 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 31045332 is about 5571.8338094383. The cubic root of 31045332 is about 314.2911143897.

Adding to 31045332 its reverse (23354013), we get a palindrome (54399345).

The spelling of 31045332 in words is "thirty-one million, forty-five thousand, three hundred thirty-two".